EP0371293B1 - Toothbrush with a deflecting part having a deflection profile - Google Patents

Toothbrush with a deflecting part having a deflection profile Download PDF

Info

Publication number
EP0371293B1
EP0371293B1 EP89120761A EP89120761A EP0371293B1 EP 0371293 B1 EP0371293 B1 EP 0371293B1 EP 89120761 A EP89120761 A EP 89120761A EP 89120761 A EP89120761 A EP 89120761A EP 0371293 B1 EP0371293 B1 EP 0371293B1
Authority
EP
European Patent Office
Prior art keywords
stem
brush head
elastomer
rubber
toothbrush
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP89120761A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0371293A3 (en
EP0371293A2 (en
Inventor
Klaus Bartsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble GmbH
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6368051&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0371293(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Procter and Gamble GmbH, Procter and Gamble Co filed Critical Procter and Gamble GmbH
Publication of EP0371293A2 publication Critical patent/EP0371293A2/en
Publication of EP0371293A3 publication Critical patent/EP0371293A3/en
Application granted granted Critical
Publication of EP0371293B1 publication Critical patent/EP0371293B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use
    • A46B5/007—Inserts made of different material, e.g. springs, plates
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • the invention relates to a toothbrush with a deflecting part which has a deflection profile and is positioned between brush head and stem, serving to deflect the brush head when a certain contact pressure is reached.
  • German Offenlegungsschrift 3,706,345 discloses a similar toothbrush for manual or mechanical operation.
  • the brush head can be deflected on the brush stem when a certain contact pressure is reached, in such a way that an optimum contact pressure con be maintained when brushing the teeth.
  • the deflecting part is designed similar to a leaf spring, and can be cambered or angular and have a central longitudinal slit so that, when too high a contact pressure is exceeded, the brush head can eve fro its previously extended position into a deflected position with respect to the longitudinal axis of the stem. This gives a signal to the user; further brushing of the teeth would also at least be made are difficult, if not impossible.
  • the deflection can occur are or less progressively or, beyond a click point, very fast.
  • the toothbrush Due to the narrowing of the deflecting part similar to a leaf spring, the toothbrush appears to be disproportioned, and due to the spring being exposed there is a risk of injuries to the mouth because of the edges, and of pinching if a longitudinal slit is present, when the toothbrush is used.
  • the object of the invention is to specify a toothbrush with a deflecting part having a deflection profile, which toothbrush has an attractively shaped appearance without the deflecting being obstructed, and is free from edges presenting a risk of injuries and free from slits.
  • a toothbrush consists of a brush head 1 with the bristles 2 and a transition part 3, a deflecting part 4 and a stem 5.
  • the deflecting part 4 connects the transition part 3 to the stem 5, serving as handle.
  • the deflecting part 4 can have a metallic leaf spring 6 or a link 7 of plastics material.
  • the metallic leaf spring or plastics link is covered at least on the front and back thereof by an elastomer.
  • the link 7 and the leaf spring 6 are entirely enclosed by a jacket 8 made of an elastomer, covering all sharp edges of the leaf spring 6 or of the link 7.
  • the jacket 8 made of elastomer is designed so that it forms a positive connection of the free end of the transition part 3 of the brush head 1 with the connecting end of the stem 5 and nevertheless enables the leaf spring 6 or the link 7 to be deflected.
  • the jacket 8 can also serve the optical design of the toothbrush and, for example, have a concave or convex camber and can have different colours compared with the other parts of the toothbrush.
  • a metallic leaf spring 6 is used, this is preferably firmly anchored in the transition part 3 or in the stem 5, for example by means of the injection moulding procedure.
  • the jacket 8 can either have been applied previously or it can be applied subsequently, when the transition part has already been firmly connected by means of the leaf spring 6 to the stem 5.
  • the brush head 1 can be made without bristles 2, the transition part 3, the deflecting part 4 and the stem 5 can be manufactured of one material in one manufacturing step, for example by injection moulding.
  • the link 7 can also be manufactured in one piece with either the transition part 3 or the stem 5 and can then be plugged into a correspondingly designed indentation 9 ( Figure 4) of the respective complementary part.
  • a snap-on connection 10 is provided which ensures a firm connection of the link 7 in the transition part 3 and/or stem 5.
  • the leaf spring 6 or the link 7 are arranged and designed in such a way that the brush head 1 can only be deflected in the direction indicated by an arrow in Figure 2.
  • the jacket 8 can be applied as one piece around the leaf spring 6 or the link 7 by means of injection moulding.
  • a mechanical anchoring of the jacket 8 can also be provided, in which case indentations or undercuts 11 can be provided in the deflecting part 4 and/or at the end of the stem 5.
  • the jacket 8 would then have a slit (not represented) for pushing it on sideways, which can be bonded, if required.
  • the metallic leaf spring 6 consists of electrogalvanized or chromium-plated steel, or of a rust-proof metal or metal alloy, preferably a copper beryllium alloy.
  • the elastomer of the jacket 8 preferably consists of natural or synthetic rubber, such as styrene-butadiene rubber, butyl rubber, ethylene rubber, propylene rubber, silicone rubber or an ethylene vinyl acetate copolymer or plasticized PVC, in which case a Shore hardness of A 40 to 80 is preferably to be provided.
  • natural or synthetic rubber such as styrene-butadiene rubber, butyl rubber, ethylene rubber, propylene rubber, silicone rubber or an ethylene vinyl acetate copolymer or plasticized PVC, in which case a Shore hardness of A 40 to 80 is preferably to be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Massaging Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP89120761A 1988-11-29 1989-11-09 Toothbrush with a deflecting part having a deflection profile Revoked EP0371293B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3840136 1988-11-29
DE3840136A DE3840136C1 (es) 1988-11-29 1988-11-29

Publications (3)

Publication Number Publication Date
EP0371293A2 EP0371293A2 (en) 1990-06-06
EP0371293A3 EP0371293A3 (en) 1991-08-07
EP0371293B1 true EP0371293B1 (en) 1996-01-31

Family

ID=6368051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89120761A Revoked EP0371293B1 (en) 1988-11-29 1989-11-09 Toothbrush with a deflecting part having a deflection profile

Country Status (11)

Country Link
EP (1) EP0371293B1 (es)
JP (1) JP2831401B2 (es)
KR (1) KR900007366A (es)
AT (1) ATE133541T1 (es)
CA (1) CA2004029A1 (es)
DE (2) DE3840136C1 (es)
DK (1) DK590189A (es)
ES (1) ES2081827T3 (es)
GR (1) GR3018854T3 (es)
IE (1) IE75897B1 (es)
NO (1) NO894524L (es)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19608226A1 (de) * 1996-03-04 1997-09-11 Kurt Dipl Ing Kessler Zahnbürste mit elastisch angelenkten wechselbarem Bürstenkopf
WO2009146498A1 (en) * 2008-06-03 2009-12-10 Robert Martin Mccusker Toothbrush
US7721376B2 (en) 2002-09-20 2010-05-25 Colgate-Palmolive Company Oral care implement
USD631257S1 (en) 2009-12-15 2011-01-25 Colgate-Palmolive Company Toothbrush
USD632084S1 (en) 2008-08-29 2011-02-08 Colgate-Palmolive Company Toothbrush
US7908699B2 (en) 2001-07-03 2011-03-22 Colgate-Palmolive Company Oral care implement
USD642802S1 (en) 2008-08-29 2011-08-09 Colgate-Palmolive Company Toothbrush
USD642803S1 (en) 2008-08-29 2011-08-09 Colgate-Palmolive Company Toothbrush
USD642804S1 (en) 2009-12-15 2011-08-09 Colgate-Palmolive Company Toothbrush
USD655917S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD655918S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD655916S1 (en) 2008-08-29 2012-03-20 Colgate-Palmolive Company Toothbrush
USD671325S1 (en) 2009-12-15 2012-11-27 Colgate-Palmolive Company Toothbrush
US8393042B2 (en) 2002-08-09 2013-03-12 Colgate-Palmolive Company Oral care implement
US8561247B2 (en) 2002-08-09 2013-10-22 Colgate-Palmolive Company Oral care implement
US8776302B2 (en) 2008-08-29 2014-07-15 Colgate-Palmolive Company Oral care implement
US8800093B2 (en) 2002-08-09 2014-08-12 Colgate-Palmolive Company Oral care implement
US8857003B2 (en) 1995-12-29 2014-10-14 Colgate-Palmolive Company Contouring toothbrush head
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush
US9167888B2 (en) 2002-08-09 2015-10-27 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01161782U (es) * 1988-04-30 1989-11-10
DE3923495C1 (es) * 1989-07-15 1991-01-24 M + C Schiffer Gmbh, 5466 Neustadt, De
GB9106511D0 (en) 1991-03-27 1991-05-15 Lingner & Fischer Gmbh Novel article
JPH05221517A (ja) * 1992-02-13 1993-08-31 Murata Mach Ltd トラバース機構
DE4223697C2 (de) * 1992-07-18 1993-10-07 Jovica Vukosavljevic Zahnbürste
DE4229152A1 (de) * 1992-09-01 1994-03-03 Jordan As Oslo Zahnbürste sowie Herstellungsverfahren für Zahnbürsten
DE9310112U1 (de) * 1993-07-07 1994-06-09 Hoffmann, Kay, Dr., 53639 Königswinter Zahnbürste
GB9414140D0 (en) 1994-07-13 1994-08-31 Procter & Gamble Toothbrush
DE4435888A1 (de) * 1994-10-07 1996-04-11 Coronet Werke Gmbh Zahnbürste
DE19519674C1 (de) * 1995-05-30 1996-07-25 Uwe Heuler Federnde Zahnbürste
DE19530057A1 (de) * 1995-08-16 1997-02-20 Coronet Werke Gmbh Bürste und Verfahren zu ihrer Herstellung
EP0966901B1 (en) * 1995-12-29 2004-11-17 Colgate-Palmolive Company Contouring toothbrush head
TW384214B (en) * 1995-12-29 2000-03-11 Colgate Palmolive Co Contouring toothbrush head
AU722959B3 (en) * 1996-01-10 2000-08-17 Smithkline Beecham Consumer Healthcare Gmbh Toothbrush
GB9600414D0 (en) * 1996-01-10 1996-03-13 Lingner & Fischer Gmbh Toothbrush
GB9601013D0 (en) 1996-01-18 1996-03-20 Procter & Gamble Brush invention
GB9601012D0 (en) 1996-01-18 1996-03-20 Procter & Gamble A toothbrush
GB9626862D0 (en) 1996-12-24 1997-02-12 Procter & Gamble Improvements in brush making
ID22633A (id) 1997-02-24 1999-12-02 Smithkline Beecham Consumer Sikat gigi
US5876207A (en) * 1997-06-03 1999-03-02 Gillette Canada Inc. Pressure-sensing toothbrush
DE19727018B4 (de) * 1997-06-25 2007-04-05 Trisa Holding Ag Elektrische Zahnbürste mit beweglichem Bürstenkörper
GB9909101D0 (en) 1999-04-22 1999-06-16 Smithkline Beecham Gmbh & Co Toothbrush
KR100350325B1 (ko) * 2000-03-29 2002-08-28 주식회사 엘지씨아이 유연한 손잡이를 갖는 칫솔
NO322158B1 (no) * 2002-07-26 2006-08-21 Jordan As Tannborste
DE102006026165B4 (de) * 2006-06-06 2014-10-23 Frauke Denniger Zahnbürste
ITMI20061617A1 (it) 2006-08-10 2008-02-11 Ponzini Spa Spazzolino da debi con testina oscillante a torsione
PL2445374T3 (pl) 2009-06-26 2017-04-28 The Gillette Company Wskaźnik nacisku dla szczoteczki do zębów
EP2361528A1 (de) 2010-02-26 2011-08-31 Trisa Holding AG Mundhygienegerät, insbesondere Zahnbürste, und Verfahren zu dessen Herstellung
GB201104024D0 (en) 2011-03-09 2011-04-20 Glaxosmithkline Consumer Healt Novel device
AU351428S (en) 2013-03-28 2013-10-22 Colgate Palmolive Co Toothbrush and portions thereof
CA2904755C (en) 2013-03-28 2020-11-03 Colgate-Palmolive Company Composite toothbrush handle
CN106102514A (zh) * 2014-03-14 2016-11-09 狮王株式会社 牙刷用柄体、牙刷、以及牙刷用柄体的制造方法
US11006738B2 (en) * 2017-01-26 2021-05-18 Unger Marketing International, Llc Cleaning devices having selectively flexible or rigid handles
US11458515B2 (en) 2017-01-26 2022-10-04 Unger Marketing International, Llc Cleaning devices for cleaning of difficult to reach locations
CN113081355A (zh) * 2021-04-16 2021-07-09 林高生 电动牙刷刷头及电动牙刷

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE260612C (es) *
FR442832A (fr) * 1912-04-18 1912-09-10 Georges Prevost Brosse à dents flexible
US2083217A (en) * 1934-07-14 1937-06-08 Edwin I Brothers Prophylactic device for the oral cavity
FR2053885A5 (es) * 1969-07-22 1971-04-16 Berning Bernard
DE2402785C3 (de) * 1974-01-22 1979-11-08 Willi 5421 Fachbach Lohmann Zahnbürste
JPS5345814Y2 (es) * 1975-07-08 1978-11-02
DE3238035A1 (de) * 1982-10-14 1984-04-19 Ludwig Dipl.-Ing. Lang Geteilte zahnbuerste mit wechselbuerstenkoepfen
DE3200681A1 (de) * 1982-01-13 1983-07-28 Ludwig Dipl.-Ing. Lang Geteilte zahnbuerste mit wechselbuerstenkoepfen
US4691405A (en) * 1985-07-29 1987-09-08 Reed Joseph C Toothbrush having adjustable bristle-mounted tabs
DE3612108A1 (de) * 1986-04-10 1987-10-15 Rainer Dr Seib Zahnbuerste mit elastischem verbindungselement zwischen buerstenkopf und griff
DE3805326A1 (de) * 1987-02-27 1988-09-08 Mierau Hans Dieter Prof Dr Zahnbuerste

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8857003B2 (en) 1995-12-29 2014-10-14 Colgate-Palmolive Company Contouring toothbrush head
DE19608226A1 (de) * 1996-03-04 1997-09-11 Kurt Dipl Ing Kessler Zahnbürste mit elastisch angelenkten wechselbarem Bürstenkopf
US8079110B2 (en) 2001-07-03 2011-12-20 Colgate-Palmolive Company Oral care implement
US7908699B2 (en) 2001-07-03 2011-03-22 Colgate-Palmolive Company Oral care implement
US9545148B2 (en) 2002-08-09 2017-01-17 Colgate-Palmolive Company Oral care implement
US9167888B2 (en) 2002-08-09 2015-10-27 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
US8990996B2 (en) 2002-08-09 2015-03-31 Colgate-Palmolive Company Toothbrush
US8876221B2 (en) 2002-08-09 2014-11-04 Colgate-Palmolive Company Oral care implement
US8393042B2 (en) 2002-08-09 2013-03-12 Colgate-Palmolive Company Oral care implement
US8839481B2 (en) 2002-08-09 2014-09-23 Colgate-Palmolive Company Oral care implement
US8800093B2 (en) 2002-08-09 2014-08-12 Colgate-Palmolive Company Oral care implement
US8561247B2 (en) 2002-08-09 2013-10-22 Colgate-Palmolive Company Oral care implement
US7721376B2 (en) 2002-09-20 2010-05-25 Colgate-Palmolive Company Oral care implement
WO2009146498A1 (en) * 2008-06-03 2009-12-10 Robert Martin Mccusker Toothbrush
USD642802S1 (en) 2008-08-29 2011-08-09 Colgate-Palmolive Company Toothbrush
US8776302B2 (en) 2008-08-29 2014-07-15 Colgate-Palmolive Company Oral care implement
USD655916S1 (en) 2008-08-29 2012-03-20 Colgate-Palmolive Company Toothbrush
USD642803S1 (en) 2008-08-29 2011-08-09 Colgate-Palmolive Company Toothbrush
USD632084S1 (en) 2008-08-29 2011-02-08 Colgate-Palmolive Company Toothbrush
US9549607B2 (en) 2008-08-29 2017-01-24 Colgate-Palmolive Company Oral care implement
USD671325S1 (en) 2009-12-15 2012-11-27 Colgate-Palmolive Company Toothbrush
USD655918S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD655917S1 (en) 2009-12-15 2012-03-20 Colgate-Palmolive Company Toothbrush
USD642804S1 (en) 2009-12-15 2011-08-09 Colgate-Palmolive Company Toothbrush
USD631257S1 (en) 2009-12-15 2011-01-25 Colgate-Palmolive Company Toothbrush

Also Published As

Publication number Publication date
NO894524L (no) 1990-05-30
EP0371293A3 (en) 1991-08-07
ATE133541T1 (de) 1996-02-15
DE3840136C1 (es) 1990-05-17
DK590189A (da) 1990-05-30
NO894524D0 (no) 1989-11-13
DE68925567T2 (de) 1996-08-14
ES2081827T3 (es) 1996-03-16
IE893793L (en) 1990-05-29
IE75897B1 (en) 1997-09-24
KR900007366A (ko) 1990-06-01
DK590189D0 (da) 1989-11-24
CA2004029A1 (en) 1990-05-29
EP0371293A2 (en) 1990-06-06
JPH02257904A (ja) 1990-10-18
GR3018854T3 (en) 1996-05-31
JP2831401B2 (ja) 1998-12-02
DE68925567D1 (de) 1996-03-14

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